Method and apparatus for edge rolling of crepe paper



April 18, 1933. c. A. FRIBERG ,8

METHOD AND APPARATUS FOR EDGE ROLLING OF CREPE PAPER Filed Jan. 7, 1951 4 Sheets-Sheet l i I l l: I l

April 18, 1933. c. A. FRIBERG METHOD AND APPARATUS FOR EDGE ROLLING OF CREPE PAPER '4 Sheets-Sheet 2 Filed Jan. 7. 1931 April 18, 1933. c, FRIBERG 1,904,825

METHOD AND APPARATUS FOR EDGE ROLLING OF CREPE PAPER Filed Jan. 7, 1931 4 Sheets-Shed 5 April 1s, 1.933. c. A. FRIBERG 1,904,825

METHOD AND APPARATUS FOR EDGE ROLLING OF CREPE PAPER Filed Jan. 7, 1951 4 Sheets-Sheet 4 Patented Apr. 18, I933 GA RL'ALLA N mega-G, oriltnnmolswnnimff METHOD AND nrrnnarusronnnennomane or onnrnmrnn T Application filed January 7, 1931; Serial No.

My present invention refers to an im proved method and an apparatus. for rolling the edges of crepe paper.

Crepe paper is frequently used for several different decoration purposes, and for such purposes it is often provided witha cylindrical edge portion produced by'rolling'of. the edge of the same. An edge rollin'glof this kind has hitherto been performed by rolling method which may easily and rapid-V 1y be practiced by anyone by means of asuitable machine. Thereby no special skillis. re-

quiredand no core means, and the resulting,

rolled edgeportion will bemore uniform to the whole length than obtainable by hand rolling. 1 V

According to the invention the rolling ofv the edge is generally performedby pressing down the same against a resilient pad mem her by means of a working blade. positioned at .an acute angle to the: faceofthe-padand by relative movement of the bladeand the pad, so that the edge of the bladeemoves; away from the edge of the paper inserted between the blade and the pad. When the edge of the blade slides over the paper, the

irrelevant if the blade has a sliding movement in relation to the paper edge in the direction of length of the latter simultaneously but it is suitable to use a movable pad mem-.

ber carried out inthe shape ofa rotatable drum or wheel, the padding stuff onthe ing is verytime wasting, and my present inlatter is pressed down in the resilient pad. and is thereby progressively folded or rolled over the edge of the blade. Thereby it is vant of the pad moves-in relationto the 507,249; and in Sweden September '24; 1930' same consisting preferably rubber possess mg suitable fr ctional ablehardness; n 7; l g

V i In the followingthe invention; *isto be ;ex-.

plained in detail by reference to Qtheaccom-r panying drawings whichshow some differentembodiments of the machine to be used, andit is supposed that the method. of the edge rolling will also befunderstood from such explanations; I

, In the} drawings .9 F'g. 1uis;a diagrammaticalelevation of machine accordingto the invention and in tended; to explain the principles thereof,

according to'the invention, and I r F-ig. 3 is'a radial section of. the contacting:

Fig. 2 is an elevation of anothergimachine portions ng blade andthe pad, thisfigurebeing. drawn toalarger scale, I

.Fig.;f4i is an elevation of another embodi 0;: ment; of. the machine, and

d e 5 is an e e vation ofthelsam rightangle to Fig. 4, e I

Fig. 6 being a plan view of the same chine. I r 5' Fig. '7 is'aperspective.view of (a paper edge guiding cans ad "pted for 'c'oaction withtheworking blade, and ,z jj Fig; 8 isa plan view showing the relative positionof the blade and the guide. I T t Fig. 9 is a 'diagrammaticalend View of-an impression means adapted for coactionfwith' the path-such means being also indicated in dot and dash linesfin Fig. 6.

Referringfto thedrawings to Fig. 1, the ma chineconsists of a drum 1 rotatably,m0unted in a suitable framing (not shown), the said drum at its ciium-Q ference beingpadded with a suitable rub: ber lining. The drum may be of'any de- 90' sired length, and is adapted to be rotated step by step-l in the direction of the arrow by means ofa handle bar 2 supporting a pawl 3 coacting with a toothed annulus 4 connected with the drum 1. The edge .ofa 51. thin working blade 5 extends axially to substantially the wholelength of the drumand. rests against the padded circumference of I the drum, said edge, or eventually the whole, blade,.taking a position atan acute angle to 9 propertiesfandsuit;

and especially 35 the working face of said drum. In the embodiment shown in the drawings, the blade 5 is supported by means of one or more arms 6 turnably mounted on a corresponding pin, or pins 7, or a common shaft, a tensional spring 8 connecting at least one of the arms 6 with the handle bar 2.

The paper has the reference 9, andafter insertion of the edge thereof between the.

blade 5 and the circumference of the padded drum 1, and transversely of said drum the" drum is rotated by means ofthe handle bar one step in the direction of the arrow. Then the paper, due'to .frictionagainstthe rub-v ber lining of the drum, will be fed in edgewise between the drum and the blade, the edge'of the latter pressing the edge of the paper a little into the resilient drum lining or pad. When the-edge of the paper passes beyond the edge of the blade, it will be folded outwardly away from the surface of the drum, and since the folding is continuous during the passage of the paper it will result in a rolling of the paper edge as indicated at 10. When the rolling isperformed to a desired degree, the handle bar 2 is turned in a counterclockwise direction, whereby the blade 5 will be lifted free from the drum,

. so that the paper may freely fall down or be lifted up therebetween.

In order to obtain the desired result of the sliding movement of the blade edge on the surface of the' paper it is required that .the blade be positioned at a rather small angle to the surface of the drum at the line of contact, but naturally the result will not be spoiled in case this angle is varied within reasonable limits, as will be understood when n comparing Figs. 1 ands. 46'

It is also to be understood that the pad member need not by necessity have a circular or cylindrical working surface, as it may also-have a plane or fiat surface, in which case the drum 1 may be'replaced' by a suit- ,of the spring 8 at the continuation of the f 'able supporting table for the paper, {as easily will be understood without further explanation.

In the embodiment of invention shown in Fig. 1 the contact pressure of the blade against the pad member is comparatively small at the beginning of the working stroke, and therefore the paper may easily-be fed in behind the blade, the increasing tension ing to Fig. 2 has a more general utility and may also be easily used on paper of any size or length and shape whatever, the working of the same being continuous.

According to Fig. 2 the machine consists of a rubber lined disc or wheel 11 rotatably mounted in a suitable frame or foot member 12 and adapted to be rotated by a hand wheel 13 or its equivalent. The foot 12 is provided with an upstanding arm 1e supporting a blade 15 theedge of whichis positioned, at an acute angle to the working face of the disc 11 (compare Fig. 8). The edge of the blade 15 is arc-shaped so as substantially to correspond with the circumference of the disc, and the, front end of the edge is raised or diverging from the face of the disc for facilitating the insertion of the paper. Besides the samerend of the edge is preferably provided with a point 17 (Fig. 8) for indicating the position .of the paper edge in relation to the blade.

The shank of the blade 15is fork-shaped and straddles a set screw 16 by means of which the blade is affixed to the arm 14-. (compare also Fig. 8) and when loosening this screw the angle of inclination of the blade edge in relation to the plane of the disc may be adjusted at will for performing a rolled paper edge of smaller or greater diameter. A greater angle of inclination to said plane causes a greater diameter of the rolled paper edge, and Vice versa.

The shankof the blade 15 is'also somewhat elastic, the blade as a whole being pref erably made from steel, and the arm 1 1 carries a pressure control screw 18, by'means. of which the contactpressure of the blade against the padded surface of the disc. 11 may be controlled at will.

When using the machine last described, the paper by means of friction against. the. disc is fed in the direction of thearrows in Figs. 2 and 8 between the edge of the blade 15 and the circumference of the disc 11, whereby the edge of the-paper is to be guid-- ed so as substantially to coincide with the point17. During the rotation of the disc 11, the advancing edge of the paper 18 (Fig. 3) is pressed against the resilient padding of said disc, and since the edge of the blade 15, due to the inclination in relation to the plane of the disc, moves away (the distance A in Fig. 8) from the edge of the paper fed induring the passage of the paper beneath the same, the pressure will perform a rolling 10 of the paper edge just in the same manner as described with reference to Fig. 1, although the production of such-rolled edge may be performed continuously irrespective of the length of the edge to be rolled. The width of the paper is of no consequence when using both of the embodiments described, and narrow strips may be desired'position after adjustment. Natural ly the outermost clamping "bracket andv the:

rolled together at the edge, or edges, when fed in in a superimposed position, the rolling action of the blade being the same in, any: case.

manner described and: both edges jof the same. may be rolled, one after theother,

whereby the rolled edges may be'positionedclosely adjacent to or even 5 contact with. each other. It is frequently 'desired'ito twistone or more such narrow I strips together into a spiralor rope, and thereby the strips"- maybe hooked on ahookimember l9alfi-xed to the end of the disc shaft (Fig.2),

Naturally the machine'last described may be motor driven, if desired, the hand wheel:

13' being then replaced by abelt or wire pulley, but the simple; construction of'the machine makes it preferably intended to be hand driven, the output after some practice being nevertheless at least ,onehundred times more per unit of time than" hitherto has been possiblejby common hand rolling, irrespective of whether a string, is" used as a core or not. Besides, the result-is ex-- actly uniform throughout, 7 i

In case themachineis intendedto be mo tor driven, it is preferable to provide thesame with a mechanical guide} for the paper,

as described below with reference to Figs.

7 and 8. v V

The edge rolling machineishown in Figs;

l6 inclusive is of a-morej advanced type,- although-based on the sameprin'cipl-esas described above, and it, is preferably in tendedto be motor driven. Inthese fi-gi1res5; 11 is the rubber lined disc which by means of a suitable trainof-gears (indicatedin-dot and dash lines in Fig. 4)-,is adaptedto be driveniby' a wire pulley 19 'serving'a's a sub stitute for the .hand wheel described above, a wire 20 and a motor 21 or othersource of power of suitable kind, a'wireguard 22" surrounding the pulley at the-dischargezside so as to prevent the paper fed out to be entangled in the driving means. The frame or foot member'has the reference-12, asabove, and 1t carries an upstand ng arm 145- in the same manner. At its upper end this arm 14 serves as a support for a: transverse pin 23 carrying one or'two sleeve-shaped: clamping brackets 24, on which the blades 25 are mounted The'pin- 23 is provided witha longitudinal slot as Willbeseen in'Fig';

set screws 26Vfor locking the same the:

blade thereon maybe removedor swung-out of action in case it is desired itha-t the ma chine shall act with one single; blade-only.

. The blades are not directlysecuredatd the clamping.:brackets, butthey are super portedby an angle b'ent* memberi 244:.the;

upstanding) branch ofpwhiclriconsists of-a;

i a H a a alsoaxially; slidabl-e ,in' its: hole anditqisj Narrow paper str ps may be treated in the adapted tobe fixed: thereinqbymeanseofaw set: screw 2'7. Hence-after loosening; ofthis set screw the blade 25 (by hand) may-be more-on less pressed:downagainst the rubber padded surface of the disc 11, ,v and kit 1 may be setlfinto any desired;angle ofqinclination edge of theblade'25- 'isifinserted (compare: Fig; 5'), sothat the: blades are-entirely: V

guidedby said members, and fabutment means: (not shown )Fareprovided between? the" members-24" and the: bladesforprevent; 5 ing the latter from taking partvin' theiro;

tationyofsthe disc 11 due to friction gagai-nst the same bytheiintermed iarybf thegpaperx fQ-d lII-J 1 I a j i V:

' Further the. pressing "down oftthe blades against the' circumference; of the a disc can, not: be minutely controlledin the manner' described above a (after loosening, ofthe' set' screws 27):; but the contact pressure is+minutely controlled by set screws 28. mounted in threaded bores" in the members 245 and: resting; against abutmelnts' 29 provided: on" the bla-desywas-easily" will be understood from FigIA. .Itwill also be understood from thisfignre; in comparison with the' description' above, that: it is not necessary that thecontact-pressure of the blade is uniform throughout the" whole peripheral 1 length: of the same, and? it .is preferable-that it be: a;

little smaller" atthe entrance end ofsthe paper-and; increasing a little towa rds ithe;

delivery"end.- l

The machine shown in Figs. 67} serves; also as an illustration; DIET-13118 man ner' employed when rolling together two strips'1of paper at both edges. The upper" end of the 1 arm '14:" carries a support 30yfori a; transverse p'in 31: which' inits'turn carries ia rollwl8 of one-of the paper strips to'ibe used, the

support 30 preferably having aisleeverconv nection with the arm, so as to make itfpo's sible to-lift o-fi the samegfwhen a separate: framing for supporting ithe roll'of paper is I to bee'used: The support30 is eXtendedL-by means'of an arm 32 carrying another'tran's-l" I verse pin" 33="forsupporting: are second roll 6, and the clamplng bracketsh-avmg a slldrp ing support on the rod areprovidedwith of paper 18. The'upperend Zof-thearm is'hoo'k-shaped and adapted'to be hookedon v j the pin whereuponit maybe aflix'e'd'iirr its" position by means ofa set screw 34. "1 In this-1 V sired-1 The-- paper: rollstnrayrbermounted oni the pins by fsliding;v onthe' same' from'f the" bon produced has the reference 18. If one of the blades is removed, or positioned beyond the edge of the paper, orpapers, one edge will be rolled only. In case either of the paper rolls is removed, the machine will act in the same manner on a'single sheet of paper,'and more than two strips may also be rolled together in the same manner, if

suitable supports for the paper rolls are provided. 7

Whether the machine is constructed according to Fig. 2 or to Figs. 4r-6 it may be suitable to provide a special guiding means for the paper adjacent tothe feeding end of the blades, this being especially true in case the paper rolls 18 and 18 respectively are supported at some distance from the machine itself, for instance in case of large paper rolls which cannot be supported in;

the manner described due to their size. An embodiment-of a guiding. means of this kind is shown in Figs. 7Iand8, and according to said figures the guide consists of a' folded plate having a guiding. edge 36 in align ment with the point 17 of the corresponding blade, or blades. The guide shown inthe drawings is intended for two superimposed sheets of paper, and it is provided with two entrances 37 (Fig.' 7 each confined'by a 1 portion .of the plate forming the guide as a whole. The side of the guide opposite to the guiding edges 36 is open, so that the paper edge may be transversely inserted between the guide plates. The position of the guide in relation'to the blade is adjustable by means of a screw and slot connection 38' as easily will be understood from Fig. 8 without further explanation. From the saidfigure it will also be noted that thetwo guiding edges 36 need not be. positioned eX- actly one above the other, but on the contrary,when folding two paper edges together, it is suitable that the paper forming the exterior of the rolled edge position passes a little outside. of the paper forming the interior of said portion.

It is frequently desired that a paper edge, when rolled, shall be folded adjacent to the edge, or that a paper. strip-shall be folded between the rolled edges ofthe same, and the machine may: also be:used forv such purpose- For the said purpose the; support carries another transverse pin 39 serving as blade is to be used, it isadjusted in the position desired and pressed down (by hand) against the disc, whereupon it is lockedby means'of the screw." Then, when rotating the disc, the impression blade 40 willv press" down a longitudinal folding line in the paper, or papers, parallel to the edge of the same, and when stretching the paper a little after having passed the machine, it' will automatically! be foldedalong the said line.

One or more of the aforesaid line impression blades may be used simultaneously, for instance for treatment of the same paper strip, or strips, when passing the machine, and the result'then obtained, when stretching the paper a little, will be a paper tube having a polygonal cross section and a number of sides corresponding to the number of impression blades used. Naturally the said blades may be set out of action by themeans described, when desired.

Sometimes another kind of impression is desired, for instance some word or slogan having reference tothe particular use of the papers treated in the machine, and even such impressions may be performed simultaneously with the edge rolling. For'this purpose the disc may be arranged to coact with a printing wheel 4-2 shown in Fig. 9 and indicated indotted lines inFig. 6. This wheel may be freely rotatably mounted ona shaft 43 so as to be rotated by means of friction against the paper or strip to be printed, and

the circumference of the same is provided with printing types 44 intended to be re produced. .Thereby the printing wheel may act merely by pressure only, and without any printing ink the waves or corrugations of the crepe paper are flattened out due to such pressure whereby the wheel may be provided with either raised or countersunk printing type, in which latter case the print will appear in relief on a flattened out portion of the paper. Printing ink may naturally alsobe used, whereby such ink by suitable means is transferred to the printingwheel in a manner well known to those skilled in the art, and then the printing pressureneed not be so great. The diameter of the printing wheel may naturaliy differ according to the length of the sentence to be printed or the intervals between'two adjacent sentences printed in succession, and in addition to words, figures or other devices may also be printed when desired.

Finally it is to beunderstood that the in-' vention is not limited to the specific particulars of construction described above for the to secure by Letters Patent is i 1. Amethod for edg'e'rolling crepe paper,"

comprising pressing the paper edge against a resilient pad surface, simultaneously moving such pad surface transverselyin relation to a working blade the edge of which is positioned at an acute angle to said surface, and feeding the paper edge in between said working blade and padsurface, due to friction against the latterflf" v .2. A method foredge rolling crepe paper, comprising pressing the paper edge against; a resilient pad surface, simultaneously moving such surface in the direction of length of the. paper edge. relative to v a Working blade having an inclined position to said direction of movement andf-having an edge positioned at an acute angle to the pad surface, and feeding the'paper inwardly by friction against the pad. a

3. A method for edged-oiling crepe paper, comprisingpressing the paper edge against a rubber pad surface having acylindrical working-face, simultaneously rotat ing such 'surfacerelative to a working blade having a position inclinedto-the plane of rotation of and having aniedge positioned at an acute angle to the said pad surface,

and feeding the paper inithe direction of length of its edge forwardby friction against the pad. 1

4. Anapparatus for edge rolling of crepe paper comprlsing a resilient pad member, preferably made from rubber, a working blade havingan edge positioned at an acute angle to the surface of said pad member, means for pressing the edge of the blade against the pad, and means for establishing a relative movement of the pad and the blade in relation to each other. 7

5. In an apparatus according to claim 4, the additional feature that the face of the pad member has a cylindrical working face.

6. An apparatus for edge rolling of crepe paper comprising a pad member having a cylindrical working face and preferably made from rubber, a working blade having anedge which lengthwise takes an inclined position to the plane of revolution of said body and transversely is positioned at an acute angle to the generatrixjof the same, means for pressing the edge of the bladeagainst the pad member, and means for establishing a relative rotation of the pad and the blade in relation to each other.

7. An apparatus for edge rollingof crepe paper comprising a suitable foot or frame member, a disc rotatablymounted in said frame member, a resilient padding, preferably made. from rubbe'r,'positioned on thecircumference of said disc, a fixedly mounted working blade having-an arc-shaped edge which lengthwise takes amincliningposi-tion tothe plane of rotation of .saidtdisci'and transversally is positioned at; an acute angle tothe circumference thereof-,such bladebeing also positioned in contact with saidcircumference, means for-pressing the edge of the blade against the padded circumference of the disc, and means for rotating the said disc when in contact with the blade. 7 A

'8. In an apparatus according to claim-7,

the additional feature that means are provided. for adjustment of the contact pressure between the blade and the padded c-ircum:

ferenoe of;the disc. v a I 9. Inan-apparatus according to claim 7,,

vided for adjustment of ;the angle of i111 theladditionalfeature that means are proclinationof the blade edge in relation tothe v plane ofrotation of the padded disc.

. 10. An apparatus for edge rolling ofcrepe paper comprising a' suitable supporting means, adisc retatably mounted in said supbly madefrom rubber, positioned on the cir-I' working blade havingan arc-shapedgedge porting means, a resilient, padding, prefera-, V

which lengthwise takes an inclined position to the plane of rotation of said disc and trans versally is positioned at an acute angle; to

the circumference thereof, means for pressing the. workingblade against the padded ing the saidhdiscwhen ingcontact with the blade, and fixedly mounted impression means positioned adjacentto-the-working. blade adapted to ooa ct with the. rotating disc for 'makingimpression onthe. paper when.

fed forward, at the rotation'of the disc.

11. In an apparatus according to claim;

10, the additional feature that the impression means consists of a 'blade positioned edgewise in relation to the disc and adapted.

to be pressed against the padded surfaceof thelatter, V

, 12. In an apparatusaccording,toclaim the additional feature that the-,impression means consists of arotatably mounted mem-i ber' positioned: so as tobe set into rotation by contact with the, paper fed throughby circumference of the disc,-.-mea ns,f;or rotat-f in contact ,.with 1 said] circumference, said 7 blades in their direction of length being positioned at anopposite inclination to the plane of rotation ofi'thle drum,-andbeing provided with' -edges positioned; at: an acute angle to the surface of the same, means for pressing the edges of the blades against the padded surface of the drum, and means for establishing a rotation of the latter.

14. In an apparatus according to claim 13, the additional feature'that means are provided for adjustment of the interdistance between the blades in a direction substantially parallel to the axis of rotation of'the drum. 7

15. In an apparatus according to claim 13, the additional feature that means are provided for adjustment of the contact pressure beween the blades and the padded circumference of the drum. j

16. An apparatus for edge rolling of crepe paper comprising a pad member'having a cylindrical working face and preferably made from rubber, at least one working blade having an'edge which lengthwise takes an inclined position to the plane of revolution of the said body and transversally is positioned at an acute angle to. the'generay trix of the same, means for pressing the edge of each blade against the circumference of the pad member, means for establishing a relative'rotation'of the pad andthe blade in relation to each other, and guiding means for the paper positionedin advance of the end of the blade facing the direction of rotation.

17. In an apparatus according to claim 16,

the additional features that means are provided for adjustment of the angle of inclination of the blade in relation to the plane of rotation of the pad member, and

that means are also provided for a corresponding adjustment of the guide means in a direction substantially parallel to the'axis of rotation of said member. I

18. An apparatus for edge rolling of crepe paper comprising a foot or'frame'member,

a drum rotatably mounted in said member,

means for establishing a rotation of said drum, a resilient padding on the circumference of the drum, a pair of working blades provided with arc-shaped edges positioned in contact with the face of said padding, saidblades in their direction of length being positioned at an opposite inclination paper when fed forward between the blades and the drum due to friction against the latter. 1

19. In an apparatus according to claim 18, the additional feature that the means for supporting the fpaper roll are removably mounted on the rame.

20. In an apparatus according to claim 18, the additional feature that means are provided for adjustment of the pressure of the blades against the drum.

21. In an apparatus according to claim 18,, the additional feature that means are provided for adjustment of the position of the, impression means between the blades in a direction substantially parallel to the axis of rotation of the drum. I

22. In an apparatus according to claim 18, the additional feature that means are provided for'adjustment of the axial position of the paper-roll in relation to the blades.

23. In an apparatus according to claim 18, the additional feature that the'impression nieans consists of a blade positioned paper edge against a resilient pad surface,

the working edge of the blade extending at an acute angle to said surface, moving the resilient pad surface, and during such movement of the resilient pad surface relative- 1 to the blade, sliding the paper overthe working edge of s the blade transversely thereto.

Intestimony whereof I have signed my name to this specification. V

CARL ALLAN FRIBERG.

to the plane of rotation of the drum, and. I I

being provided with edges positioned at an acute angle to the face of the, same, means 55 for pressing the blades against the padding,

means for adjustment of such pressure, means for adjustment of the interdistance between the blades in a direction substantially parallel to the axisof rotation of the drum, means for reversing of at least one of said blades into a non-working position, means supported by'the. frame member. and adapted rotatably'to support at least one roll of the paper to be edge rolled,'and means positioned between the blades and adapted to perform an impression .in the 

